Four popular cultivars of black pepper from Kerala viz.. 'Karimunda,' 'Kall
uvally, 'Arakulam munda' and 'Thommankody' were analyzed for a period of th
ree consecutive seasons for their oil composition. Fifty five compounds wer
e identified in the oils by GC and GC/MS. The main components were alpha-pi
nene (2.4-11.4%;), beta-pinene(2.0-15.27%), delta-3-carene (0.1-21.0%), lim
onene (9.4-21.9%) and beta-caryophyllene (19.8-45.3%).